Home / 32,789.08-45,234.48-20,221.12

Finding the Fourth Proportional to 32,789.08, 45,234.48 and 20,221.12

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Solution

The fourth proportional to 32,789.08, 45,234.48 and 20,221.12 is: 27,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.08 : 45,234.48 = 20,221.12 : x
  2. Step 2: Convert to fraction form
    32,789.08/45,234.48 = 20,221.12/x
  3. Step 3: Cross multiply
    32,789.08x = 45,234.48 × 20,221.12
  4. Step 4: Simplify right side
    32,789.08x = 914,691,848.22
  5. Step 5: Solve for x
    x = 914,691,848.22/32,789.08
  6. Step 6: Final answer
    x = 27,896.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.